Remove leftover reference to old "flat file" mechanism in a comment.

The flat file mechanism was removed in PostgreSQL 9.0.

diff --git a/src/backend/access/transam/xact.c b/src/backend/access/transam/xact.c
index 3bfa64d02f1177723226aaccfb01ec00d3daa601..f5a8a4e25d6571f2457926d3d3993300cdbd78be 100644 (file)
--- a/src/backend/access/transam/xact.c
+++ b/src/backend/access/transam/xact.c
@@ -5631,8 +5631,7 @@ xact_redo_abort(xl_xact_parsed_abort *parsed, TransactionId xid)
                                                                                          xid, parsed->nsubxacts, parsed->subxacts, max_xid);
 
                /*
-                * There are no flat files that need updating, nor invalidation
-                * messages to send or undo.
+                * There are no invalidation messages to send or undo.
                 */
 
                /*